Loudspeaker



FIG. 1 is a top front perspective view of a loudspeaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken-line rectangles shown in FIGS. 2 and 4 are boundary lines. The regions within the boundary lines form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 